This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A032787 #18 Jul 13 2018 21:04:32 %S A032787 0,2,4,5,8,9,11,14,16,17,19,23,24,29,30,32,34,37,41,44,50,51,52,54,59, %T A032787 63,65,68,74,76,79,85,86,89,102,104,107,113,114,119,128,129,136,140, %U A032787 149,154,167,170,173,179,184,194,204,206,212,219,221,239,245,254 %N A032787 Numbers k such that k(k+1)(k+2)...(k+17) / (k+(k+1)+(k+2)+ ... +(k+17)) is an integer. %C A032787 (d-17)/2 where d >= 17 divides 131939107925625. In particular, the sequence is finite. - _Robert Israel_, Jul 13 2018 %H A032787 Robert Israel, <a href="/A032787/b032787.txt">Table of n, a(n) for n = 1..2827</a> %p A032787 sort([seq((t-17)/2, t=select(`>=`,numtheory:-divisors(131939107925625),17))]); # _Robert Israel_, Jul 13 2018 %t A032787 Select[Range[0,300],IntegerQ[Times@@Range[#,#+17]/Total[Range[#,#+17]]]&] (* _Harvey P. Dale_, Sep 02 2016 *) %Y A032787 Cf. A032765-A032798. %K A032787 nonn,fini,full %O A032787 1,2 %A A032787 _Patrick De Geest_, May 15 1998 %E A032787 Definition corrected by _Harvey P. Dale_, Sep 02 2016